Varistor



FIG. 1 is a front side view of the varistor.

FIG. 2 is a left side view of the varistor.

FIG. 3 is a top view of the varistor.

FIG. 4 is a bottom view of the varistor; and,

FIG. 5 is a perspective view of the varistor.

The shade lines in the Figures show contour and not surface ornamentation. Broken lines in the Figures show portions of the varistor that form no part of the claimed design. A drawing of a right side view of the varistor is omitted since the drawing of the right side view is identical to a drawing of a left side view of the varistor. A drawing of a rear view of varistor is omitted since the drawing of the rear view is identical to a drawing of a front view of the varistor. 

CLAIM The ornamental design for a varistor, as shown and described. 